Airman 1st Class Tristian Richter, 51st Security Forces Squadron entry controller, stands guard at the top of hill 180 during Beverly Bulldog 11-03, a peninsula-wide operational readiness exercise at Osan Air Base, Republic of Korea, Nov. 14. The Airmen are participating in a peninsula wide operational readiness exercise, Beverly Bulldog 11-03, held to train U.S. forces throughout South Korea. (U.S. Air Force photo/Senior Airman Adam Grant)